================================================================================ UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') CPU: 0 PID: 7096 Comm: syz-executor.1 Not tainted 6.6.0-rc3-syzkaller-ged4d3054d499 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:348 do_journal_end+0x1e64/0x3d0c fs/reiserfs/journal.c:4168 journal_end_sync fs/reiserfs/journal.c:3542 [inline] __commit_trans_jl fs/reiserfs/journal.c:3884 [inline] reiserfs_commit_for_inode+0x830/0xb4c fs/reiserfs/journal.c:3927 reiserfs_get_blocks_direct_io+0x1b4/0x2a8 fs/reiserfs/inode.c:546 get_more_blocks fs/direct-io.c:647 [inline] do_direct_IO fs/direct-io.c:935 [inline] __blockdev_direct_IO+0x1540/0x39a8 fs/direct-io.c:1248 blockdev_direct_IO include/linux/fs.h:2969 [inline] reiserfs_direct_IO+0xf0/0x20c fs/reiserfs/inode.c:3242 generic_file_direct_write+0x1a8/0x368 mm/filemap.c:3894 __generic_file_write_iter+0x110/0x204 mm/filemap.c:4050 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4090 do_iter_write+0x65c/0xaa8 fs/read_write.c:860 vfs_writev fs/read_write.c:933 [inline] do_writev+0x220/0x3ec fs/read_write.c:976 __do_sys_writev fs/read_write.c:1049 [inline] __se_sys_writev fs/read_write.c:1046 [inline] __arm64_sys_writev+0x80/0x94 fs/read_write.c:1046 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 ================================================================================